Vignoli says that 3.4.2 is the result of the "combined activity of 300 contributors having made more than 23,000 commits, with the addition, deletion or modification of around five million lines of code". SUSE and Oracle have each provided approximately 25% of the total commits. New individual volunteers accounted for another 25%, while 20% came from RedHat; the remaining contributions came from Canonical and other companies.